Finding the Fourth Proportional to 6,969.72, 9,620.04 and 4,315.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,969.72 : 9,620.04 = 4,315.62 : x
2. Step 2: Convert to fraction form
   6,969.72/9,620.04 = 4,315.62/x
3. Step 3: Cross multiply
   6,969.72x = 9,620.04 × 4,315.62
4. Step 4: Simplify right side
   6,969.72x = 41,516,437.02
5. Step 5: Solve for x
   x = 41,516,437.02/6,969.72
6. Step 6: Final answer
   x = 5,956.69